Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

49°F

9°C

Humidity 65%
Wind Speed N 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Feb 11:53 AM PST
Extended Forecast for

4 Miles E Hercules CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. East northeast wind around 6 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost between 1am and 2am.  Otherwise, increasing clouds, with a low around 36. East southeast wind around 7 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind 9 to 15 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am.  Partly cloudy, with a low around 45. South southeast wind around 16 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 62. South wind around 14 mph, with gusts as high as 18 mph.

    High: 62 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Cloudy, with a low around 54.

    Low: 54 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. East northeast wind around 6 mph.
Tonight
Patchy frost between 1am and 2am. Otherwise, increasing clouds, with a low around 36. East southeast wind around 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind 9 to 15 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 45. South southeast wind around 16 mph, with gusts as high as 24 mph.
Sunday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 62. South wind around 14 mph, with gusts as high as 18 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 62.
Monday Night
Rain, mainly after 10pm. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 52.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
11:40 am PST Feb 20, 2026
12pm PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database